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UCC21710-Q1: UCC21710

Part Number: UCC21710-Q1
Other Parts Discussed in Thread: UCC21710

你好,

我在使用贵司的UCC21710,遇到如下问题:

电路图如下,输入PWM 16kHz, 波形正常,开环未上功率电,在驱动输出端发现PWM持续很短时间保护了,波形如下,3通道波形是OC脚信号,驱动输出PWM时,OC脚电压达到1.5V,超过了阈值0.7V,驱动保护关断。不知到是否是电路图设计不对,请帮忙看看。贵司有相关的DESAT外围电路设计和计算参考么?谢谢!